Subtract 16/9 from 20/2
1st number: 10 0/2, 2nd number: 1 7/9
20/2 - 16/9 is 74/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
20/2 = 20 × 9/2 × 9 = 180/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
16/9 = 16 × 2/9 × 2 = 32/18 - Subtract the two like fractions:
180/18 - 32/18 = 180 - 32/18 = 148/18 - After reducing the fraction, the answer is 74/9
- In mixed form: 82/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-16/9 20/2-32/9 20/4-16/9 20/2-16/18 60/2-16/9 20/2-48/9 20/6-16/9 20/2-16/27 20/2-80/9 20/10-16/9 20/2-16/45 20/14-16/9 20/2-16/63